
if __name__ == '__main__':
    print("hello python!!");

    num = 5;
    while(num > 0):
        print("num is %d" %num);
        num -= 1;

    m = 10;
    m += 2;
    print("m 的 值是 %d" %m);
    m *= 2;
    print("此时 m的值是 %d" %m);

    m /= 6;
    print("此时 m的值是 %d" % m);


